1.nf
2 +- Digit 0 0 | 1
3 | |
4 +- Term 0 2 --- Number 0 2 -+- Digit 1 1 | 2
5 | | |
6 | +- Digit 2 2 | 0
7 | |
8Expression 0 4 --- Factor 0 4 -+----------------------------- AddOp 3 3 | +
9 | |
10 +- Term 4 4 --- Number 4 4 --- Digit 4 4 | 5
11.fi
12